| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
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| 10/01/1998 | CA2285051A1 Cooled basket for steel plants |
| 10/01/1998 | CA2284762A1 Method to load scrap for electric arc furnace and relative system |
| 09/30/1998 | EP0866881A1 Process for reclaiming incineration waste |
| 09/30/1998 | EP0819182A4 A method of producing metals and metal alloys |
| 09/29/1998 | US5814125 Molten metals |
| 09/25/1998 | CA2232445A1 Removal of slag and/or steel build-up from lances |
| 09/23/1998 | EP0866140A1 Coherent gas jet |
| 09/23/1998 | EP0866139A1 Lance/burner for molten metal furnace |
| 09/23/1998 | EP0866138A1 Method for introducing gas into a liquid |
| 09/23/1998 | CN2292093Y Natural gas steel-smelting reverberatory furnace |
| 09/23/1998 | CN1193553A Coherent gas jet |
| 09/22/1998 | US5811057 Refractory lining system for high wear area of high temperature reaction vessel |
| 09/22/1998 | US5810904 Process for producing blocks of metals |
| 09/18/1998 | CA2232212A1 Coherent gas jet |
| 09/16/1998 | CN2291417Y Machine for building steel-making converter |
| 09/16/1998 | CN1039830C Method for producing reducible iron-contaiing material having less clustering during direct reduction and products thereof |
| 09/15/1998 | US5809055 Metallurgical vessel heated by direct current and having a bottom electrode |
| 09/15/1998 | CA2032999C Method and apparatus for introducing uniform quantities of a material into a metallurgical sample |
| 09/11/1998 | WO1998039608A1 Method for the production of refractory linings |
| 09/11/1998 | CA2282759A1 Method for the production of refractory linings |
| 09/10/1998 | DE19708847A1 Verfahren zum Herstellen von feuerfesten Auskleidungen A method for manufacturing of refractory linings |
| 09/09/1998 | EP0863362A1 Method for supplying a gas from a unique source to a number of consumers at different pressures |
| 09/09/1998 | EP0862719A1 Safety device for a vessel jacket |
| 09/09/1998 | EP0862506A2 Fireproof moulding plates with gas ducts |
| 09/09/1998 | EP0831984A4 Process for recovering iron from iron-rich material |
| 09/09/1998 | EP0769125B1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
| 09/09/1998 | EP0646758B1 Apparatus for preheating and supplying scraps |
| 09/08/1998 | US5803948 Process and device for introducing gases into metal melts |
| 09/04/1998 | CA2232103A1 Feed process for a multi-pressure gas consumption unit |
| 09/03/1998 | WO1998038343A1 Reduced pressure smelting furnace |
| 09/03/1998 | DE19750040C1 Perforated brick of a monolithic refractory ceramic |
| 09/03/1998 | DE19750039C1 Monolithic refractory hole block |
| 09/02/1998 | EP0861909A1 Use of a briquette of foundry waste agglomerated with a hydraulic binder as a charge material for smelting furnaces of an iron foundry |
| 09/02/1998 | EP0861336A1 Method for producing pre-treated molten metal castings |
| 09/02/1998 | EP0861335A1 Process for the destruction of rubber-based materials and automobile fragmentation residues |
| 09/02/1998 | CN1192319A Bottom electrode for an Arc furnace operated with direct current and process for operating the furnace |
| 09/02/1998 | CN1039656C Spray cooled hood system for handling hot gases from a metallungical vessel utilizing pneumatic processing of molten metal |
| 09/01/1998 | US5802098 Melting vessel with fastening, mounting and tilting devices |
| 09/01/1998 | US5802097 Melting method for an electric ARC furnace with alternative sources of energy and relative electric ARC furnace with special burner positioning |
| 08/26/1998 | EP0860507A1 Ultra low sulfur superalloy castings and method of making |
| 08/26/1998 | EP0860226A1 Bottom-blown gas blowing apparatus for a molten metal ladle |
| 08/26/1998 | EP0859866A1 Method and apparatus to determine and control the carbon content of steel in a bof vessel |
| 08/25/1998 | US5797274 Cooling of hot bodies |
| 08/20/1998 | WO1998036101A1 Method and device for positioning the mouth of a consumable lance |
| 08/20/1998 | CA2280723A1 Method and device for positioning the mouth of a consumable lance |
| 08/19/1998 | EP0859063A1 Process for mnaufacturing and use of an additive containing titaniumdioxide |
| 08/19/1998 | EP0858515A1 Exchange device for a blow lance |
| 08/18/1998 | US5795539 Method for cooling graphite electrodes used for metal melting and refining in an electric arc furnace and a ladle |
| 08/18/1998 | US5795508 Method of lining a blast furnace |
| 08/13/1998 | WO1998035065A1 Exchange of an oxygen lance for liquid steel conversion |
| 08/12/1998 | EP0857934A1 Soundproofed conduit to discharge fumes |
| 08/12/1998 | EP0857792A1 Electric arc furnace slag foaming |
| 08/12/1998 | EP0857222A1 Process for decarbonising a high-chromium steel melt |
| 08/12/1998 | EP0832305A4 Combined oxygen blowing/fuel burner lance assembly |
| 08/12/1998 | CN1190133A Melting of Ni laterite in making Ni alloyed iron or steel |
| 08/07/1998 | CA2228947A1 Soundproofed conduit to discharge fumes |
| 08/06/1998 | DE19730250C1 Steelworks converter with cap cooling |
| 08/04/1998 | US5788921 Apparatus for electric steelmaking |
| 08/04/1998 | US5788920 Oxygen blowing lance capable of being used in an electric furnace |
| 08/04/1998 | US5788159 Method and apparatus for applying compositions |
| 08/04/1998 | CA2099781C Tuyere arrangement for the introduction of agents into a molten bath and method of operating such a tuyere arrangement |
| 07/30/1998 | WO1998032883A1 Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is applied |
| 07/29/1998 | EP0855237A1 Improved device for gas insufflation into a molten metal |
| 07/29/1998 | CN2286754Y Multiplex conic split oxygen lance for converter |
| 07/29/1998 | CN1188809A Cold pressing flake iron ball cooling, slag melting agent and making method thereof |
| 07/28/1998 | US5787109 Furnace vessel for a DC arc furnace |
| 07/28/1998 | US5785737 Forming sludge, slag mixture; dehydrating |
| 07/28/1998 | CA2084396C Method of decarburizing molten metal in the refining of steel using neural networks |
| 07/23/1998 | WO1998031646A1 Use of a wire mesh |
| 07/23/1998 | DE19701806A1 Verwendung eines Drahtgeflechtes Using a wire mesh |
| 07/23/1998 | CA2278473A1 Use of a wire mesh |
| 07/23/1998 | CA2227725A1 Improved device for blowing a gas into a molten metal |
| 07/22/1998 | EP0854198A1 Process and apparatus for charging and melting small-sized light metal scrap |
| 07/22/1998 | CN1188537A Method for melting batch in electric arc furnace |
| 07/22/1998 | CN1188513A Nozzle with welded lance head for melt agitation |
| 07/15/1998 | EP0853131A1 Process and plant for induction melting and purification of aluminium, copper, brass, lead and bronze alloys |
| 07/15/1998 | EP0853130A1 Process and installation for improving tapping of steel from a melting furnace into a ladle |
| 07/15/1998 | EP0755736A4 Improvements in metallurgical conversion |
| 07/15/1998 | EP0729560B1 Cooling of hot bodies |
| 07/15/1998 | CN1187856A Method for improved energy input into scrap bulk |
| 07/15/1998 | CN1187541A Molten iron oxygen supplying two-step steelmaking process in air top-blown basic-lined converter |
| 07/15/1998 | CA2227126A1 Process and device for melting light metals |
| 07/09/1998 | WO1998029575A1 Method for vacuum/reduced-pressure refining and facility for vacuum/reduced-pressure refining |
| 07/09/1998 | WO1998029572A1 Electric furnace with insulated electrodes and process for producing molten metals |
| 07/09/1998 | CA2276151A1 Electric furnace with insulated electrodes and process for producing molten metals |
| 07/02/1998 | WO1998028447A1 Apparatus for keeping optimal penetration depth formed at front end of oxygen tuyere and method for keeping the same |
| 07/02/1998 | DE19654522A1 Method for removal of samples from a measuring probe used in metallurgy |
| 07/02/1998 | DE19652596A1 Verfahren und Tauchmeßfühler zum Messen einer elektrochemischen Aktivität A method and Immersion probe for measuring an electrochemical activity of |
| 07/02/1998 | CA2247021A1 Apparatus for keeping optimal penetration depth formed at front end of oxygen tuyere and method for keeping the same |
| 07/01/1998 | EP0851038A1 Steel and process for forming a steel article by cold plastic working |
| 07/01/1998 | CN1186521A Production of foundry iron |
| 06/30/1998 | CA2225782A1 Steel and process for manufacturing a steel part shaped by cold working |
| 06/30/1998 | CA2073222C Anode for a direct current arc furnace |
| 06/25/1998 | WO1998027421A1 Method and immersion sensor to measure electrochemical activity |
| 06/25/1998 | WO1998027232A1 Producing iron from solid iron carbide |
| 06/25/1998 | DE19653747A1 Unit production method for introduction of gases into a metal=melt |
| 06/24/1998 | EP0848795A1 Process for burning fuel |
| 06/23/1998 | US5769923 Decarburization refining process for chromium-containing molten metal and associated top blowing lance |
| 06/18/1998 | DE19707319C1 Positioning of the outlet end of a consumable lance |
| 06/16/1998 | US5765730 Electromagnetic valve for controlling the flow of molten, magnetic material |